That means that it doesn't matter whether time moves forward or backwards. If time ran in reverse, all the laws of physics would work the same. That is, all the laws except one.

Though in microscopic physics, time is treated as directionally neutral--it doesn't matter which direction it's going--the Second Law of Thermodynamics explains why time moves forward only in our ...

But time is different, it has a direction, you always move forward, never in reverse. So why is the dimension of time irreversible? This is one of the major unsolved problems in physics.

But time is different, it has a direction, you always move forward, never in reverse. So why is the dimension of time irreversible? This is one of the major unsolved problems in physics.

We live under the assumption that time flows in one direction—past to present to future. You wake up, drink your coffee, scroll on your phone, and move forward through the day.

The same force that's driving galaxies apart may be responsible for why time runs "forward" and not "backward." / Hard Science / Cosmology / Dark Energy / Entropy 5.23.16, 3:44 PM EDT by Todd Jaquith ...

All matter moves through space-time at the universal constant— the speed of light— but this speed is shared between motion in space and the flow of time. Objects don’t speed up beyond light ...